Journal article
Occurrence and spatial distribution of individual polychlorinated biphenyl congeners in residential soils from East Chicago, southwest Lake Michigan
The science of the total environment, Vol.850, 157705
12/01/2022
DOI: 10.1016/j.scitotenv.2022.157705
PMCID: PMC9907466
PMID: 35931157
Abstract
We report individual polychlorinated biphenyl congeners and the sum of all congeners (ΣPCB) in residential soils of East Chicago, Indiana. ΣPCB in soils ranged from 20 to 1700 ng/g dry weight (DW), with a geometric mean of 120 ng/g DW. These values are significantly higher than other locations, but similar or lower to locations nearby well-known PCB contamination sites. No PCB spatial distribution pattern was observed. PCB concentrations increase with total organic carbon in the soils and proximity to Indiana Harbor and Ship Canal (IHSC), where sediments are contaminated with PCBs. Most samples are similar in their PCB distribution and Aroclor 1254 yielded the highest similarity to all the samples. A fifth of the samples highly resemble other PCB profiles such as EPA background and Cedar Rapids Iowa soils, and volatilization from Lake Michigan, whereas volatilization from IHSC could not explain the PCBs found in soils. IHSC was expected to be the main source of PCBs in the nearby soils. It is possible that soils are impacted by variety of known and unknown sources, including volatilization from Lake Michigan, resulting in a regional PCB signal. Although PCB concentrations are higher than other locations, samples were below the current US EPA non-cancer residential soil level remediation goal for dioxin TEQ.
Details
- Title: Subtitle
- Occurrence and spatial distribution of individual polychlorinated biphenyl congeners in residential soils from East Chicago, southwest Lake Michigan
- Creators
- Andres Martinez - University of Iowa, IIHR--Hydroscience and EngineeringJason B X Hua - University of Iowa, Civil and Environmental EngineeringEzazul Haque - University of Iowa, Occupational and Environmental HealthKeri C Hornbuckle - University of Iowa, IIHR--Hydroscience and EngineeringPeter S Thorne - University of Iowa, Occupational and Environmental Health
- Resource Type
- Journal article
- Publication Details
- The science of the total environment, Vol.850, 157705
- DOI
- 10.1016/j.scitotenv.2022.157705
- PMID
- 35931157
- PMCID
- PMC9907466
- ISSN
- 0048-9697
- eISSN
- 1879-1026
- Grant note
- DOI: 10.13039/100000002, name: National Institutes of Health
- Language
- English
- Date published
- 12/01/2022
- Academic Unit
- Civil and Environmental Engineering; Occupational and Environmental Health; IIHR--Hydroscience and Engineering; Interdisciplinary Graduate Program in Human Toxicology; Iowa Superfund Research Program
- Record Identifier
- 9984285257602771
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